// images to preload
var imgArr = new Array();
imgArr[0] = "../images/layout/bg_subnav_border.png";
imgArr[1] = "../images/layout/bg_subnav_content.png";
imgArr[2] = "../images/layout/nav_normal_konzeption.png";
imgArr[3] = "../images/layout/nav_normal_arbeitsweise.png";
imgArr[4] = "../images/layout/nav_normal_loesungen.png";
imgArr[5] = "../images/layout/nav_normal_unternehmen.png";
imgArr[6] = "../images/layout/nav_normal_effizienzcheck.png";
imgArr[7] = "../images/layout/nav_normal_loginarea.png";
imgArr[8] = "../images/layout/nav_hover_konzeption.png";
imgArr[9] = "../images/layout/nav_hover_arbeitsweise.png";
imgArr[10] = "../images/layout/nav_hover_loesungen.png";
imgArr[11] = "../images/layout/nav_hover_unternehmen.png";
imgArr[12] = "../images/layout/nav_hover_effizienzcheck.png";
imgArr[13] = "../images/layout/nav_hover_loginarea.png";
imgArr[14] = "../images/layout/active_content.png";
imgArr[15] = "../images/layout/bg_inputfield.png";
imgArr[16] = "../images/layout/bg_inputfield.png";
imgArr[17] = "../images/layout/dotted_sep.png";


imgArr[18] = "images/layout/bg_subnav_border.png";
imgArr[19] = "images/layout/bg_subnav_content.png";
imgArr[20] = "images/layout/nav_normal_konzeption.png";
imgArr[21] = "images/layout/nav_normal_arbeitsweise.png";
imgArr[22] = "images/layout/nav_normal_loesungen.png";
imgArr[23] = "images/layout/nav_normal_unternehmen.png";
imgArr[24] = "images/layout/nav_normal_effizienzcheck.png";
imgArr[25] = "images/layout/nav_normal_loginarea.png";
imgArr[26] = "images/layout/nav_hover_konzeption.png";
imgArr[27] = "images/layout/nav_hover_arbeitsweise.png";
imgArr[28] = "images/layout/nav_hover_loesungen.png";
imgArr[29] = "images/layout/nav_hover_unternehmen.png";
imgArr[30] = "images/layout/nav_hover_effizienzcheck.png";
imgArr[31] = "images/layout/nav_hover_loginarea.png";
imgArr[32] = "images/layout/active_content.png";
imgArr[33] = "images/layout/bg_inputfield.png";
imgArr[34] = "images/layout/bg_inputfield.png";
imgArr[35] = "images/layout/dotted_sep.png";

function checkBrowserName(name){  
	var agent = navigator.userAgent.toLowerCase();  
	if (agent.indexOf(name.toLowerCase())>-1) {  
		return true;  
	}  
	return false;  
}

function validate(form)
{
	if(form.firma.value == "") {
		alert("Bitte geben sie das Unternehmen an in dem Sie tätig sind!");
		form.firma.focus();
		return false;
	}
	/*
	if(form.branche.value == "") {
		alert("Bitte geben Sie die Branche an in der Sie tätig sind!");
		form.branche.focus();
		return false;
	}
	*/
	if(form.name.value == "") {
		alert("Bitte geben Sie Ihren Nachnamen ein!");
		form.name.focus();
		return false;
	}
	if(form.vorname.value == "") {
		alert("Bitte geben Sie Ihren Vornamen ein!");
		form.vorname.focus();
		return false;
	}
	if(form.anschrift.value == "") {
		alert("Bitte geben Sie Ihre Anschrift an!");
		form.anschrift.focus();
		return false;
	}
	if(form.tel.value == "") {
		alert("Bitte geben Sie Ihre Telefonnummer an!");
		form.tel.focus();
		return false;
	}
	if(form.email.value == "" || !checkEmail(form.email.value)) {
		alert("Bitte geben Sie eine gültige Email-Adresse an!");
		form.email.focus();
		return false;
	}
	return true;
}

function checkEmail(email) {
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(reg.test(email) == false) {
		return false;
	}
	return true
}

function toggleNavMenue(elem, bVisible) {
	if(elem.childNodes.length > 2) {
		for(i=0; i< elem.childNodes.length; i++) {
			work = elem.childNodes[i];
			if(work != undefined && work != null && work.id != undefined) {
				
				//alert(work.className + "|" +work.id+ "|" + work.id.substring(0, 3));
				
				if(work.className == "subnavcontainer" && work.id.substring(0, 3) == "snc") {
					if(bVisible) {
						work.style.visibility = 'visible';
						work.style.display = 'block';
					} else {
						work.style.display = "none";
					}
				}
			}
		}
	}
}

function togglePageNavi(elem, bVisible) {
	if(elem.firstChild) {
		if(bVisible) {
			elem.firstChild.style.visibility = 'visible';
		} else {
			elem.firstChild.style.visibility = "hidden";
		}
	}
}

function imagePreload() {
	for (i=0; i < imgArr.length; i++) {
		var myImg = new Image();
		myImg.src = imgArr[i];
	}
}